Oracle 审计及密码策略更改。

2022-11-27 21:46:45

/===============================================================================
||文件名：数据库审计事件记录脚本
||说明：为了对数据库事件进行审计，而进行相关设计
==============================================================================/

/* ========================= 审计记录表 ========================= */

/* -------- 系统会话事件审计表 -------- /
CREATE TABLE SYSTEM.Audit_Login_DB(
/
||名称：审计数据库会话登陆事件记录表
||说明：
/
Session_Id NUMBER, / 会话ID /
OS_User VARCHAR2(200), / 终端OS用户 /
IP_Address VARCHAR2(200), / 终端IP地址 /
Terminal VARCHAR2(200), / 终端 /
Host VARCHAR2(200), / 终端主机名 /
User_Name VARCHAR2(30), / ORACLE 用户名/
LogOn_Date DATE, / 登陆时间 /
LogOff_Date DATE, / 登离时间 /
Elapsed_Minutes NUMBER / 在线时间 */
)
TABLESPACE TOOLS;

/* -------- 会话事件审计表索引 --------- */
CREATE INDEX IX_AUDIT_LOGIN_SESSIONID ON SYSTEM.AUDIT_LOGIN_DB(SESSION_ID)
TABLESPACE INDX;
CREATE INDEX IX_AUDIT_LOGIN_LOGONDATE ON SYSTEM.AUDIT_LOGIN_DB(LOGON_DATE)
TABLESPACE INDX;

/* -------- DDL事件审计表 -------- /
CREATE TABLE system.Audit_DDL_OBJ(
/
||名称：审计针对数据库对象的DDL记录表
||说明：
/
Opr_Time DATE, / 操作时间 /
Session_Id NUMBER, / 会话ID /
OS_User VARCHAR2(200), / 终端OS用户 /
IP_Address VARCHAR2(200), / 终端IP地址 /
Terminal VARCHAR2(200), / 终端 /
Host VARCHAR2(200), / 终端主机名 /
User_Name VARCHAR2(30), / ORACLE 用户名/
DDL_Type VARCHAR2(30), / DDL操作类型 /
DDL_Sql VARCHAR2(2000), / DDL语句 /
Object_Type VARCHAR2(18), / 操作对象类型 /
Owner VARCHAR2(30), / 对象拥有者 /
Object_Name VARCHAR2(128) / 对象名称 */
)
;

/* -------- DDL事件审计表索引 --------- */
CREATE INDEX IX_AUDIT_DDL_SESSIONID ON SYSTEM.AUDIT_DDL_OBJ(SESSION_ID)
TABLESPACE INDX;

CREATE INDEX IX_AUDIT_DDL_OPRTIME ON SYSTEM.AUDIT_DDL_OBJ(OPR_TIME)
TABLESPACE INDX;

/* ========================= 审计触发器 ========================= */

/* ------- AFTER LOGON ON DATABASE 触发器 -------/
CREATE OR REPLACE TRIGGER SYS.Login_Audit_Trigger
AFTER LOGON ON DATABASE
/
||名称：会话登陆事件审计触发器
||说明：
*/
DECLARE

BEGIN

/* 获取登陆用户信息 */
SELECT SYS_CONTEXT('USERENV','SESSIONID'),
SYS_CONTEXT('USERENV','OS_USER'),
SYS_CONTEXT('USERENV','IP_ADDRESS'),
SYS_CONTEXT('USERENV','TERMINAL'),
SYS_CONTEXT('USERENV','HOST')
INTO Session_Id_Var,
Os_User_Var,
IP_Address_Var,
Terminal_Var,
Host_Var
FROM DUAL;

/* 记录登陆审计信息 /
INSERT INTO system.Audit_Login_DB(
Session_Id, / 会话ID /
OS_User, / 终端OS用户 /
IP_Address, / 终端IP地址 /
Terminal, / 终端 /
Host, / 终端主机名 /
User_Name, / ORACLE 用户名/
LogOn_Date, / 登陆时间 /
LogOff_Date, / 登离时间 /
Elapsed_Minutes / 在线时间 */
)
VALUES( Session_Id_Var,
Os_User_Var,
IP_Address_Var,
Terminal_Var,
Host_Var,
USER,
SYSDATE,
NULL,
NULL);
COMMIT;
EXCEPTION
WHEN OTHERS THEN
NULL;
END Login_Audit_Trigger;
/

/* ------- BEFORE LOGOFF ON DATABASE 触发器 -------/
CREATE OR REPLACE TRIGGER SYS.LogOff_Audit_Trigger
BEFORE LOGOFF ON DATABASE
/
||名称：会话登离事件审计触发器
||说明：
*/
DECLARE

Session_Id_Var NUMBER; /* 会话ID */

BEGIN

/* 获取登陆用户信息 */
SELECT SYS_CONTEXT('USERENV','SESSIONID')
INTO Session_Id_Var
FROM DUAL;

/* 更新会话审计记录信息 /
UPDATE system.Audit_Login_DB
SET LogOff_Date = SYSDATE,
Elapsed_Minutes = ROUND((SYSDATE - LogOn_Date) 1440)
WHERE Session_Id = Session_Id_Var;
--WHERE SYS_CONTEXT('USERENV','SESSIONID') = Session_Id;
COMMIT;

EXCEPTION
WHEN OTHERS THEN
NULL;
END LogOff_Audit_Trigger;
/

/* ------- AFTER DDL ON DATABASE 触发器 -------/
CREATE OR REPLACE TRIGGER SYS.DDL_Audit_Trigger
AFTER DDL ON DATABASE
/
||名称：DDL事件审计触发器
||说明：
*/
DECLARE

Session_Id_Var NUMBER; /* 会话ID /
Os_User_Var VARCHAR2(200); / 终端OS用户 /
IP_Address_Var VARCHAR2(200); / 终端IP /
Terminal_Var VARCHAR2(200); / 终端 /
Host_Var VARCHAR2(200); / 终端主机名 /
Cut NUMBER; / SQL列表长度 /
Sql_Text ORA_NAME_LIST_T; / SQL_TEXT 列表 /
L_Trace NUMBER; / 循环执行条件 /
DDL_Sql_Var VARCHAR2(2000); / DDL语句 */

BEGIN

/* 获取操作用户信息 */
SELECT SYS_CONTEXT('USERENV','SESSIONID'),
SYS_CONTEXT('USERENV','OS_USER'),
SYS_CONTEXT('USERENV','IP_ADDRESS'),
SYS_CONTEXT('USERENV','TERMINAL'),
SYS_CONTEXT('USERENV','HOST')
INTO Session_Id_Var,
Os_User_Var,
IP_Address_Var,
Terminal_Var,
Host_Var
FROM DUAL;

/* 获取DDL SQL语句 */
BEGIN

  SELECT COUNT(*) INTO L_Trace FROM DUAL
   WHERE ORA_DICT_OBJ_NAME NOT LIKE 'MLOG%'
     AND ORA_DICT_OBJ_NAME NOT LIKE '%LOG'
     AND UTL_INADDR.GET_HOST_ADDRESS IS NOT NULL
     AND SYS_CONTEXT('USERENV','IP_ADDRESS') IS NOT NULL
     AND SYS_CONTEXT('USERENV','IP_ADDRESS') <> UTL_INADDR.GET_HOST_ADDRESS;

  IF L_Trace > 0 THEN

     Cut := ORA_SQL_TXT(Sql_Text);

     FOR i IN 1..Cut LOOP
        DDL_Sql_Var := SUBSTR(DDL_Sql_Var || Sql_Text(i),1,2000);
     END LOOP;
  END IF;

EXCEPTION
WHEN OTHERS THEN
NULL;
END;

/* 记录登陆审计信息 /
INSERT INTO system.Audit_DDL_OBJ(
Opr_Time, / 操作时间 /
Session_Id, / 会话ID /
OS_User, / 终端OS用户 /
IP_Address, / 终端IP地址 /
Terminal, / 终端 /
Host, / 终端主机名 /
User_Name, / ORACLE 用户名/
DDL_Type, / DDL操作类型 /
DDL_Sql, / DDL语句 /
Object_Type, / 操作对象类型 /
Owner, / 对象拥有者 /
Object_Name / 对象名称 */
)
VALUES( SYSDATE,
Session_Id_Var,
Os_User_Var,
IP_Address_Var,
Terminal_Var,
Host_Var,
ORA_LOGIN_USER,
ORA_SYSEVENT,
DDL_Sql_Var,
ORA_DICT_OBJ_TYPE,
ORA_DICT_OBJ_OWNER,
ORA_DICT_OBJ_NAME);
COMMIT;

EXCEPTION
WHEN OTHERS THEN
NULL;
END DDL_Audit_Trigger;
/

/* ========================= 审计DML语句 ========================= /
/
||名称：利用DBMS_FGA包的细粒度审计功能实现对DML语句的审计
||说明：
/
/
CREATE SEQUENCE SEQ_SELECT_NUMBER MINVALUE 1 MAXVALUE 100000 START WITH 1 INCREMENT BY 1;
CREATE SEQUENCE SEQ_INSERT_NUMBER MINVALUE 1 MAXVALUE 100000 START WITH 1 INCREMENT BY 1;
CREATE SEQUENCE SEQ_UPDATE_NUMBER MINVALUE 1 MAXVALUE 100000 START WITH 1 INCREMENT BY 1;
CREATE SEQUENCE SEQ_DELETE_NUMBER MINVALUE 1 MAXVALUE 100000 START WITH 1 INCREMENT BY 1;
SELECT 'DBMS_FGA.ADD_POLICY(OBJECT_SCHEMA => '''||OWNER||''', OBJECT_NAME => '''||TABLE_NAME||''',STATEMENT_TYPES => ''SELECT'',POLICY_NAME => ''CHK_SELECT_'||SEQ_SELECT_NUMBER.NEXTVAL||'''); ' FROM ALL_TABLES WHERE WNER='INXITE'
UNION
SELECT 'DBMS_FGA.ADD_POLICY(OBJECT_SCHEMA => '''||OWNER||''', OBJECT_NAME => '''||TABLE_NAME||''',STATEMENT_TYPES => ''INSERT'',POLICY_NAME => ''CHK_INSERT_'||SEQ_INSERT_NUMBER.NEXTVAL||'''); ' FROM ALL_TABLES WHERE WNER='INXITE'
UNION
SELECT 'DBMS_FGA.ADD_POLICY(OBJECT_SCHEMA => '''||OWNER||''', OBJECT_NAME => '''||TABLE_NAME||''',STATEMENT_TYPES => ''UPDATE'',POLICY_NAME => ''CHK_UPDATE_'||SEQ_UPDATE_NUMBER.NEXTVAL||'''); ' FROM ALL_TABLES WHERE WNER='INXITE'
UNION
SELECT 'DBMS_FGA.ADD_POLICY(OBJECT_SCHEMA => '''||OWNER||''', OBJECT_NAME => '''||TABLE_NAME||''',STATEMENT_TYPES => ''DELETE'',POLICY_NAME => ''CHK_DELETE_'||SEQ_DELETE_NUMBER.NEXTVAL||'''); ' FROM ALL_TABLES WHERE WNER='INXITE'

--需要在以上生成的语句前加上BEGIN，END；语句，以补充完全
*/

--创建审计策略
BEGIN
DBMS_FGA.ADD_POLICY (
object_schema => 'SCOTT',
object_name => 'EMP',
policy_name => 'mypolicy1',
enable => TRUE,
statement_types => 'INSERT, UPDATE, DELETE, SELECT',
audit_column_opts => DBMS_FGA.ANY_COLUMNS);
END;
/

--批量创建脚本
SELECT 'DBMS_FGA.ADD_POLICY (object_schema => ' || '''' || OWNER || '''' || ', object_name => ' || '''' || TABLE_NAME || ''''
|| ', policy_name => ' || '''' ||'POL_' || TABLE_NAME || '''' || ', enable => TRUE' || ', statement_types => '''
|| 'INSERT, UPDATE, DELETE, SELECT''' || ', audit_column_opts => DBMS_FGA.ANY_COLUMNS);'
FROM DBA_TABLES WHERE OWNER = 'SCOTT';

BEGIN
DBMS_FGA.ADD_POLICY (object_schema => 'SCOTT', object_name => 'SMDP_SUBSCRIPTIONS', policy_name => 'POL_SMDP_SUBSCRIPTIONS', enable => TRUE, statement_types => 'INSERT, UPDATE, DELETE, SELECT', audit_column_opts => DBMS_FGA.ANY_COLUMNS);
DBMS_FGA.ADD_POLICY (object_schema => 'SCOTT', object_name => 'T', policy_name => 'POL_T', enable => TRUE, statement_types => 'INSERT, UPDATE, DELETE, SELECT', audit_column_opts => DBMS_FGA.ANY_COLUMNS);
DBMS_FGA.ADD_POLICY (object_schema => 'SCOTT', object_name => 'TAB_1', policy_name => 'POL_TAB_1', enable => TRUE, statement_types => 'INSERT, UPDATE, DELETE, SELECT', audit_column_opts => DBMS_FGA.ANY_COLUMNS);
DBMS_FGA.ADD_POLICY (object_schema => 'SCOTT', object_name => 'TAB_2', policy_name => 'POL_TAB_2', enable => TRUE, statement_types => 'INSERT, UPDATE, DELETE, SELECT', audit_column_opts => DBMS_FGA.ANY_COLUMNS);
DBMS_FGA.ADD_POLICY (object_schema => 'SCOTT', object_name => 'EMP', policy_name => 'POL_EMP', enable => TRUE, statement_types => 'INSERT, UPDATE, DELETE, SELECT', audit_column_opts => DBMS_FGA.ANY_COLUMNS);
DBMS_FGA.ADD_POLICY (object_schema => 'SCOTT', object_name => 'OSMSR_EUICC_HISTORIES', policy_name => 'POL_OSMSR_EUICC_HISTORIES', enable => TRUE, statement_types => 'INSERT, UPDATE, DELETE, SELECT', audit_column_opts => DBMS_FGA.ANY_COLUMNS);
END;
/

--通过视图来查看SQL结果
select * from dba_fga_audit_trail;

--开启审计策略
BEGIN
DBMS_FGA.ENABLE_POLICY (
object_schema => 'SCOTT',
object_name => 'EMP',
policy_name => 'mypolicy1',
enable => TRUE);
END;
/

--关闭审计策略
BEGIN
DBMS_FGA.DISABLE_POLICY (
object_schema => 'scott',
object_name => 'emp',
policy_name => 'mypolicy1');
END;
/

使用后需要删除审计策略
--删除审计策略
BEGIN
DBMS_FGA.DROP_POLICY (
object_schema => 'scott',
object_name => 'emp',
policy_name => 'mypolicy1');
END;
/

批量删除语句
SELECT 'DBMS_FGA.DROP_POLICY (object_schema => ' || '''' || OWNER || '''' || ', object_name => ' || '''' || TABLE_NAME || ''''
|| ', policy_name => ' || '''' ||'POL_' || TABLE_NAME || '''' || ');'
FROM DBA_TABLES WHERE OWNER = 'SCOTT';

BEGIN
DBMS_FGA.DROP_POLICY (object_schema => 'SCOTT', object_name => 'SMDP_SUBSCRIPTIONS', policy_name => 'POL_SMDP_SUBSCRIPTIONS');
DBMS_FGA.DROP_POLICY (object_schema => 'SCOTT', object_name => 'T', policy_name => 'POL_T');
DBMS_FGA.DROP_POLICY (object_schema => 'SCOTT', object_name => 'TAB_1', policy_name => 'POL_TAB_1');
DBMS_FGA.DROP_POLICY (object_schema => 'SCOTT', object_name => 'TAB_2', policy_name => 'POL_TAB_2');
DBMS_FGA.DROP_POLICY (object_schema => 'SCOTT', object_name => 'EMP', policy_name => 'POL_EMP');
DBMS_FGA.DROP_POLICY (object_schema => 'SCOTT', object_name => 'OSMSR_EUICC_HISTORIES', policy_name => 'POL_OSMSR_EUICC_HISTORIES');
END;
/

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